Patrick is easy to talk too, and I think that comes across in the interview itself. There has been a lot of pre-release speculation on what OpenSocial really is, and the press has put out wildly different ideas over the last couple of weeks. Patrick lays out the facts of the announcement.

He covers a lot, including:

What has actually been released

What OpenSocial isn't

Details on the various APIs:

People Data API: You can get access to owners and viewers, and their friends

Also, check out video from the Campfire One event and interviews with a subset of the partners involved in the OpenSocial launch. Having a large number of application developers and container vendors show what they have already done gives you a glimpse to the future.